<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Tool
 * @subpackage Framework
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Storage.php 18951 2009-11-12 16:26:19Z alexander $
 */

/**
 * @see Zend_Tool_Framework_Client_Storage_AdapterInterface
 */
require_once 'Zend/Tool/Framework/Client/Storage/AdapterInterface.php';

/**
 * @category   Zend
 * @package    Zend_Tool
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Tool_Framework_Client_Storage
{

	/**
	 * @var Zend_Tool_Framework_Client_Storage_AdapterInterface
	 */
	protected $_adapter = null;

	public function __construct($options = array())
	{
		if (isset($options['adapter'])) {
			$this->setAdapter($options['adapter']);
		}
	}

	public function setAdapter($adapter)
	{
		if (is_string($adapter)) {
			$storageAdapterClass = 'Zend_Tool_Framework_Client_Storage_' . ucfirst($adapter);
			Zend_Loader::loadClass($storageAdapterClass);
			$adapter = new $storageAdapterClass();
		}
		$this->_adapter = $adapter;
	}

	public function isEnabled()
	{
		return ($this->_adapter instanceof Zend_Tool_Framework_Client_Storage_AdapterInterface);
	}

	public function put($name, $value)
	{
		if (!$this->_adapter) {
			return false;
		}

		$this->_adapter->put($name, $value);

		return $this;
	}

	public function get($name, $defaultValue = false)
	{
		if (!$this->_adapter) {
			return false;
		}

		if ($this->_adapter->has($name)) {
			return $this->_adapter->get($name);
		} else {
			return $defaultValue;
		}

	}

	public function has($name)
	{
		if (!$this->_adapter) {
			return false;
		}

		return $this->_adapter->has($name);
	}

	public function remove($name)
	{
		if (!$this->_adapter) {
			return false;
		}

		$this->_adapter->remove($name);

		return $this;
	}

	public function getStreamUri($name)
	{
		if (!$this->_adapter) {
			return false;
		}

		return $this->_adapter->getStreamUri($name);
	}
}
